Finding the Third Proportional to 12,020 and 28,748

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020 : 28,748 = 28,748 : x
2. Step 2: Convert to fraction form
   12,020/28,748 = 28,748/x
3. Step 3: Cross multiply
   12,020x = 28,748 × 28,748
4. Step 4: Simplify right side
   12,020x = 826,447,504
5. Step 5: Solve for x
   x = 826,447,504/12,020
6. Step 6: Final answer
   x = 68,756.03